1 /********************* */
4 ** Original author: Morgan Deters
5 ** Major contributors: none
6 ** Minor contributors (to current version): Clark Barrett, Andrew Reynolds
7 ** This file is part of the CVC4 project.
8 ** Copyright (c) 2009-2013 New York University and The University of Iowa
9 ** See the file COPYING in the top-level source directory for licensing
10 ** information.\endverbatim
12 ** \brief Base of the pretty-printer interface
14 ** Base of the pretty-printer interface.
17 #include "cvc4_private.h"
19 #ifndef __CVC4__PRINTER__PRINTER_H
20 #define __CVC4__PRINTER__PRINTER_H
22 #include "util/language.h"
23 #include "util/sexpr.h"
24 #include "util/util_model.h"
25 #include "expr/node.h"
26 #include "expr/command.h"
31 /** Printers for each OutputLanguage */
32 static Printer
* d_printers
[language::output::LANG_MAX
];
34 /** Make a Printer for a given OutputLanguage */
35 static Printer
* makePrinter(OutputLanguage lang
) throw();
37 // disallow copy, assignment
38 Printer(const Printer
&) CVC4_UNUSED
;
39 Printer
& operator=(const Printer
&) CVC4_UNUSED
;
42 // derived classes can construct, but no one else.
45 /** write model response to command */
46 virtual void toStream(std::ostream
& out
, const Model
& m
, const Command
* c
) const throw() = 0;
49 /** Get the Printer for a given OutputLanguage */
50 static Printer
* getPrinter(OutputLanguage lang
) throw() {
51 if(d_printers
[lang
] == NULL
) {
52 d_printers
[lang
] = makePrinter(lang
);
54 return d_printers
[lang
];
57 /** Write a Node out to a stream with this Printer. */
58 virtual void toStream(std::ostream
& out
, TNode n
,
59 int toDepth
, bool types
, size_t dag
) const throw() = 0;
61 /** Write a Command out to a stream with this Printer. */
62 virtual void toStream(std::ostream
& out
, const Command
* c
,
63 int toDepth
, bool types
, size_t dag
) const throw() = 0;
65 /** Write a CommandStatus out to a stream with this Printer. */
66 virtual void toStream(std::ostream
& out
, const CommandStatus
* s
) const throw() = 0;
68 /** Write an SExpr out to a stream with this Printer. */
69 virtual void toStream(std::ostream
& out
, const SExpr
& sexpr
) const throw();
72 * Write a Result out to a stream with this Printer.
74 * The default implementation writes a reasonable string in lowercase
75 * for sat, unsat, valid, invalid, or unknown results. This behavior
76 * is overridable by each Printer, since sometimes an output language
77 * has a particular preference for how results should appear.
79 virtual void toStream(std::ostream
& out
, const Result
& r
) const throw();
81 /** Write a Model out to a stream with this Printer. */
82 virtual void toStream(std::ostream
& out
, const Model
& m
) const throw();
88 #endif /* __CVC4__PRINTER__PRINTER_H */